Dave's got the latest from your favourite celebrity tweeters...
Serena Williams (@serenawilliams) is here for the Australian Open.
Shane Warne (@warne888) is prepping his entry for Father of the Year.
X-Factor finalist Declan (@declansykes) is in Adelaide.
Snoop Dogg (@snoopdogg) has his own online TV show.
Johnny Ruffo (@johnny_ruffo) is incredibly generous with his time.
Send us any tweets we should check out with the hash tag #wit.